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1// RUN: rm -rf %t2// RUN: mkdir %t3// RUN: split-file %s %t4//5// RUN: %clang_cc1 -std=c++20 %t/M.cppm -fsyntax-only -verify6 7//--- foo.h8typedef struct {9 int c;10 union {11 int n;12 char c[4];13 } v;14} mbstate;15 16//--- M.cppm17// expected-no-diagnostics18module;19#include "foo.h"20export module M;21export using ::mbstate;22